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R. A. RAGEN Aug. 4, 1970 CALCULATOR 1313 Sheets-Sheet 1 Original Filed Oct. 28, 1963 QOBERT A. )QAGEN INVENTOR ATTORNEY R. A. RAGEN CALCULATOR Aug. 4, 1970 133 SheetsSheet 3 Original Filed Oct. 28, 1963 MI' MIHMH g- 4, 1970 R. A. RAGEN 3,523,282

CALCULATOR Original Filed Oct. 28, 1963 138 Sheets-Sheet s FLIP FLOLPFFF. FF FF our I 0v sv "I" I ov sv "a" 111 0v 6V "1" $6 TRANSFER 9@ P05. TRANSITION G NEG. LEVEL. 6 COMPLEMENT POS. LEVEL A RESET 9G NEG. TRANSITION SET FIE EI R. A. RAGEN Aug. 4, 1970 CALCULATOR 135 Sheets-Sheet 8 Original Filed Oct. 28

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R. A. RAGEN Aug. 4, 1970 CALCULATOR 133 Sheets-Sheet 1O Original Filed Oct. 28

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FIE 1E CLEAR A CLEAR CLEAR KEY nus 3L4 (5 cu CNTR ZERO Aug. 4, 1970 Original Filed Oct. 28, 1963 R. A. RAGEN CALCULATOR 153 Sheets-S2eet 1 23 ADD AND C/U-I.

ACC FF L i=4 R2 3=|L4 ADD 5mm 3:20 333M? SUB 5:u 2 |.'4L3 BORROW FF 5:2Le

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DIVIDE DECODER 0mm m n.

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CALCULATOR Original Filed Oct. 28, 1963 153 Sheets-Sheet 14 0/ ENABLE JUMP TO 114 I 2 38 2:2 RI 2:! T5

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CALCULATOR Original Filed Oct. 28, 1963 15L; Sheets-Sheet 10 2:4u 8,8ROAD LINE m 2 4m 6:|T| MULI) GNTR ZERO 21289 2:4L2 4.5mm LINE MULTIPI-IER snrz 2I4L3 2.8ROAD LINE CQUNTER EB n Mug) CNTR ZERO 3:3 2:4L4 ammo um: c/u-mo sum --(M/o) a H comma anoaosms AND c/u-2.n

FIIE| .-1 (2 4) 4, 1910 R. A. RAGEN 3,523,232

CALCULATOR Original Filed Oct. 28, 1963 135 Sheets-Sheet 18 vans 2: 3T4, nan

ADD w lI4R2, 2:512, ZIITB 1 90a READ AND I 4 R3, 2 I T5 AC6. (WU-3.4

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s- 1970 R. A. RAGEN 3,523,282

CALCULATOR Origmal Filed Oct. 28, 1963 15 Sheets-Sheet 19 FFA wane CLEAR IZBRIS COMP.

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4, 1970 R. A. RAGE-N 3,523,282

CALCULATOR Original Filed 1963 155 Sheets-Sheet 20 R2 I SRB AND (E) Z ITT ADD M32, 2 31?, 2 lT8 FFA lzSRS 

